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WinDbg allows debugging a Microsoft Windows kernel running on a virtual machine by VMware, VPC or Parallels using a named pipe. This can be achieved by using a virtual COM port . In the case of VMware and VirtualBox , the VirtualKD extension adds native support for VM debugging to the Windows kernel, claiming to speed debugging by a factor of ...
Windows Azure Caching allows a cloud service to host Caching on a Windows Azure role. [1] The cache is distributed across all running instances of that role. Therefore, the amount of available memory in the cache is determined by the number of running instances of the role that hosts Caching and the amount of physical memory reserved for ...
A crash dump file can also be created, which is a binary file that a programmer can load into a debugger. Dr. Watson can be made to generate more exacting information for debugging purposes if the appropriate symbol files are installed and the symbol search path (environment variable) is set.
The resulting memory dump file may be debugged later, using a kernel debugger. For Windows, WinDBG or KD debuggers from Debugging Tools for Windows are used. [ 31 ] A debugger is necessary to obtain a stack trace, and may be required to ascertain the true cause of the problem; as the information on-screen is limited and thus possibly misleading ...
Automatic Memory Dump (Windows 8 and later) – same as Kernel memory dump, but if the paging file is both System Managed and too small to capture the Kernel memory dump, it will automatically increase the paging file to at least the size of RAM for four weeks, then reduce it to the smaller size. [19]
It is required, however, for the boot partition (i.e., the drive containing the Windows directory) to have a page file on it if the system is configured to write either kernel or full memory dumps after a Blue Screen of Death. Windows uses the paging file as temporary storage for the memory dump.
A memory debugger is a debugger for finding software memory problems such as memory leaks and buffer overflows. These are due to bugs related to the allocation and deallocation of dynamic memory . Programs written in languages that have garbage collection , such as managed code , might also need memory debuggers, e.g. for memory leaks due to ...
The host operating system then unmaps physical memory from those memory pages (with no need to copy them to secondary storage). The released pages of physical memory return to the host machine's pool of available RAM, and the host machine can use them to keep other virtual machines in physical memory and/or to cache secondary storage.